US3550123A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Real time passing scene display
Assignee: United States Department of the Navy
•
Filing: 1967-12-07
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Granted: 1970-12-22
•
Expires: 1987-12-07
Abstract
No abstract record available.
Inventors
- 👤 Henry R Brown
- 👤 Elberson D Green
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:58
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S13/00; G01S13/88; G01S13/89; G01S13/90; G01S13/9021; G01S13/9027
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3218637A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-21 | 1974-06-22 | 1974-12-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-21 | 1978-06-22 | 1978-12-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-21 | 1982-06-22 | 1982-12-22 | $7700.00 | Window Closed / Lapsed |